39503690872 has 16 divisors (see below), whose sum is σ = 74073268800. Its totient is φ = 19750819200.

The previous prime is 39503690861. The next prime is 39503690881. The reversal of 39503690872 is 27809630593.

39503690872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39503690872² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49872 + ... + 285472.

It is an arithmetic number, because the mean of its divisors is an integer number (4629579300).

Almost surely, 2^39503690872 is an apocalyptic number.

It is an amenable number.

39503690872 is a deficient number, since it is larger than the sum of its proper divisors (34569577928).

39503690872 is a wasteful number, since it uses less digits than its factorization.

39503690872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256566 (or 256562 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 39503690872 in words is "thirty-nine billion, five hundred three million, six hundred ninety thousand, eight hundred seventy-two".